Answer:
A. an apple falling from a tree
Explanation:
Answer:
All measurements of motion will be compared to a frame of reference. Therefore, the most commonly used frame of reference is Earth itself, even though it moves.
Explanation:
Answer:
Superbubbles form when the hottest, most massive stars in a cluster explode as supernova within a few hundred thousand years of each other. Their bubbles merge into a giant bubble, called a "superbubble."
Explanation:
mass of car =700kg
Required acceleration =5m/s^2
According to newton's second law
F=ma
F=(700)(5)
F=3500 Kgm/sec^2
